1044499989 has 32 divisors (see below), whose sum is σ = 1619009280. Its totient is φ = 593607168.

The previous prime is 1044499927. The next prime is 1044499999. The reversal of 1044499989 is 9899944401.

1044499989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1044499989 - 2⁷ = 1044499861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044499909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5937 + ... + 46089.

It is an arithmetic number, because the mean of its divisors is an integer number (50594040).

Almost surely, 2^1044499989 is an apocalyptic number.

It is an amenable number.

1044499989 is a deficient number, since it is larger than the sum of its proper divisors (574509291).

1044499989 is a wasteful number, since it uses less digits than its factorization.

1044499989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40221.

The product of its (nonzero) digits is 3359232, while the sum is 57.

The square root of 1044499989 is about 32318.7250522046. The cubic root of 1044499989 is about 1014.6185852856.

The spelling of 1044499989 in words is "one billion, forty-four million, four hundred ninety-nine thousand, nine hundred eighty-nine".